Best Booking Appointments Invoice Apps

249+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated August 2026

Whether you're new to booking appointments invoice or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Booking Appointments Invoice Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (196K)NoNoAug 2026
2Appointment Scheduler: BillduAppointment Scheduler: BillduFree4.8★ (215)NoYesAug 2026
3Acuity: Appointment SchedulerAcuity: Appointment SchedulerFree4.8★ (30K)NoYesAug 2026
4Simple AppointmentsSimple AppointmentsFreeNoNoMay 2026
5N'Termin - Booking AppointmentN'Termin - Booking AppointmentFreeNoYesAug 2026
6Bookedin for BusinessBookedin for BusinessFree4.6★ (494)YesYesJul 2026
7Appointment Scheduling bbookAppointment Scheduling bbookFree2.0★ (1)NoNoJul 2026
8Tulip AppointmentsTulip AppointmentsFreeNoNoAug 2026

Top Picks for Booking Appointments Invoice

Square Appointments: Scheduler#1

Square Appointments: Scheduler by Block, Inc.

Book, Schedule, Get Payments
Editor's Choice
💼 Business
4.9😐(196K ratings)
Free
Square Appointments: Scheduler screenshot 1
Square Appointments: Scheduler screenshot 2
Square Appointments: Scheduler screenshot 3
Square Appointments: Scheduler screenshot 4
Square Appointments: Scheduler screenshot 5
Square Appointments: Scheduler screenshot 6

Manage your business with an all-in-one solution for booking, scheduling, and payments. Offer 24/7 online booking, send automated reminders, and process payments securely. Track client details and manage your team's calendars and reports.

What We Love

  • 🚀 Easy to use
  • 📅 Helpful appointment reminders
  • 💳 Integrated payment processing
  • 👍 User-friendly interface

Room to Improve

  • 🐛 Bugs and glitches
  • 🤔 Confusing navigation
  • 🔒 Lack of security features
Appointment Scheduler: Billdu#2

Appointment Scheduler: Billdu by BILLDU LTD

Booking, Scheduling, Payments
Strong Contender
💼 Business
4.8(215 ratings)
FreeIn-App Purchases
Appointment Scheduler: Billdu screenshot 1
Appointment Scheduler: Billdu screenshot 2
Appointment Scheduler: Billdu screenshot 3
Appointment Scheduler: Billdu screenshot 4
Appointment Scheduler: Billdu screenshot 5
Appointment Scheduler: Billdu screenshot 6

Streamline your business operations with a platform for scheduling appointments, sending automated reminders, and processing payments. Offer clients 24/7 online booking and manage your team's schedules efficiently from any device.

Acuity: Appointment Scheduler#3

Acuity: Appointment Scheduler by Squarespace, Inc.

Client scheduling & calendar
Worth Considering
💼 Business
4.8😊(30K ratings)
FreeIn-App Purchases
Acuity: Appointment Scheduler screenshot 1
Acuity: Appointment Scheduler screenshot 2
Acuity: Appointment Scheduler screenshot 3
Acuity: Appointment Scheduler screenshot 4
Acuity: Appointment Scheduler screenshot 5
Acuity: Appointment Scheduler screenshot 6

Manage your calendar and clients with this app. It offers seamless client scheduling, appointment notifications, secure mobile payments, and automated receipts. Run your business on the go with tools for calendar and client management, plus payment processing.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable booking pages
  • 🚀 Seamless integration with websites
  • 👍 Helpful customer service

Room to Improve

  • 🐛 Frequent app crashes and glitches
  • ⏱️ Too many updates disrupting user experience
  • 🕰️ Lack of weekly calendar view in app

More Booking Appointments Invoice apps to explore

4
Simple Appointments
Simple Appointments
Simple Appointments
Easy appointment booking
Free
💼 Business
(0)
5
N'Termin - Booking Appointment
N'Termin - Booking Appointment
N'Termin - Booking Appointment
N'Termin
Free
🎬 Entertainment
(0)
6
Bookedin for Business
Bookedin for Business
Bookedin for Business
Easy online booking system
Free

This app simplifies appointment and class scheduling for businesses. It offers a secure, easy-to-use platform for managing bookings, staff availability, and client communication. Features include online payment collection, automated reminders, and client history tracking.

Secure online schedulingManage staff availabilityOne-click client booking
💼 Business
(494)
free with in-app purchases
7
Appointment Scheduling bbook
Appointment Scheduling bbook
Appointment Scheduling bbook
Book & Manage Appointments
Free

Streamline your business operations with an intuitive appointment scheduling tool. Allow clients to book, manage, and pay for services online, while you effortlessly track appointments, send reminders, and manage staff. Perfect for service-based businesses of all sizes.

Online client appointment bookingAutomated client remindersOnline payment processing
💼 Business
(1)
free
8
Tulip Appointments
Tulip Appointments
Tulip Appointments
by Tulip.IO Inc
Free
💼 Business
(0)
9
EasyWeek: Booking & CRM
EasyWeek: Booking & CRM
EasyWeek: Booking & CRM
For salons and clinics
Free

This app provides an easy-to-use online appointment booking and management system for various service-based businesses. It simplifies scheduling, enhances customer engagement with automated reminders, and offers marketing and business management tools to drive growth.

24/7 online appointment schedulingWebsite and booking widget creationAutomated SMS, Email, and Push notifications
💼 Business
(18)
freemium
10
DIKIDI Appointments Scheduling
DIKIDI Appointments Scheduling
DIKIDI Appointments Scheduling
Online booking & Scheduling
Free

This app streamlines online booking and business management for service professionals. It automates scheduling, client communication, and financial tracking, offering a comprehensive solution for service businesses to manage appointments and operations efficiently.

Online booking systemClient database managementEmployee scheduling
💼 Business
(332)
free
11
Appointment Booking - Appointo
Appointment Booking - Appointo
Appointment Booking - Appointo
Booking app for e-com merchant
Free
💼 Business
(0)
12
DaySmart Appointments
DaySmart Appointments
DaySmart Appointments
Formerly AppointmentPlus
Free

Manage your business appointments and customer information on the go. Create, update, and cancel appointments, add new clients, and send reminders. Ideal for service-based businesses needing flexible scheduling.

Manage appointments and reserve timesCreate, view, update, and delete customersAdd new customers during appointment booking
📊 Productivity
(321)
free
13
Invoba: Booking & Invoice Pro
Invoba: Booking & Invoice Pro
Invoba: Booking & Invoice Pro
Client scheduling & billing
Free

Manage client bookings and send professional, branded invoices with ease. Syncs with your calendars and works offline, helping service professionals streamline their business operations and get paid faster.

Create bookings in secondsTwo-way calendar syncGenerate PDF invoices
💰 Finance
(1)
freemium
14
DaySchedule - Appointment App
DaySchedule - Appointment App
DaySchedule - Appointment App
Meetings & online appointments
Free

This free app simplifies appointment scheduling for various services, offering features like custom landing pages, SMS/WhatsApp notifications, and payment processing. Manage clients and appointments efficiently with an intuitive interface for seamless online booking.

Custom branded landing pagesSMS and WhatsApp notificationsPayment processing (UPI, Razorpay, Stripe)
📊 Productivity
(2)
free
15
Townsquare Management Platform
Townsquare Management Platform
Townsquare Management Platform
by Townsquare Interactive,LLC
Free

Transform your website into a powerful business tool. This app offers live appointment scheduling, automated reminders, online invoicing, credit card processing, and email marketing to help you capture more clients and streamline operations.

Live appointment schedulingAutomated appointment remindersOnline invoicing
💼 Business
(32)
free
16
Timely – Bookings & payments
Timely – Bookings & payments
Timely – Bookings & payments
Made for hair and beauty pros
Free

Manage client bookings, appointments, and payments for your hair and beauty business on the go. This app allows professionals to organize services, staff, and client information, while also facilitating secure payment processing directly from their device.

Client managementAppointment schedulingService and staff setup
💼 Business
(25)
free with in-app purchases
17
Meetbly: Booking & Scheduling
Meetbly: Booking & Scheduling
Meetbly: Booking & Scheduling
Online Appointment Scheduling
Free
💼 Business
(0)
18
vcita Mobile CRM
vcita Mobile CRM
vcita Mobile CRM
by vCita Inc.
Free

Manage your business operations on the go with this comprehensive tool. Schedule appointments, send invoices, manage clients, and run marketing campaigns from a single application. Stay connected to your business and clients 24/7.

Appointment schedulingBilling and invoicingClient management
💼 Business
(111)
free
19
SetTime Appointment Scheduler
SetTime Appointment Scheduler
SetTime Appointment Scheduler
Calendar & Booking planner
Free

This app simplifies appointment booking and management for businesses. It offers a free online booking page, automated reminders, and calendar synchronization. Paid plans unlock advanced features like SMS reminders, customizable booking pages, and expense tracking.

Appointment schedulingOnline booking pageAutomated reminders
💼 Business
(90)
freemium
20
Previsy Appointment Scheduling
Previsy Appointment Scheduling
Previsy Appointment Scheduling
Reminder•Manage•Online•Booking
Free

Streamline your business by managing appointments, enabling online bookings, and automating client communication. This tool helps reduce no-shows and improve customer relationships through customizable booking systems and automated text messages.

Unlimited appointment managementOnline booking for clients 24/7Automated confirmation and reminder texts
💼 Business
(1)
free with in-app purchases

FAQ about Booking Appointments Invoice

What are the best booking appointments invoice apps for iPhone?
Square Appointments: Scheduler tops our booking appointments invoice apps ranking as of August 2026, with a 4.9-star average from 196K App Store ratings, and it's free to download.
Yes — 20 of the top booking appointments invoice apps we rank are free to download, including Square Appointments: Scheduler and Appointment Scheduler: Billdu.
Square Appointments: Scheduler has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ booking appointments invoice apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Square Appointments is an all-in-one business solution that handles appointment booking, scheduling, sending automated reminders, and accepting payments. It provides a point of sale system, client tracking, and team management features, allowing businesses to operate efficiently from anywhere.
There are three monthly plans: Free, Plus, and Premium, with pricing on a per-location basis. Custom pricing is available for businesses processing over $250K in annual revenue. No credit card is required to start, and there are no long-term commitments.